

package yf.mall.service.impl.app;

import org.apache.commons.collections4.CollectionUtils;
import org.springframework.transaction.annotation.Transactional;
import yf.mall.vo.up.AppConfigUp;
import org.springframework.beans.factory.annotation.Autowired;
import com.alibaba.excel.context.AnalysisContext;

import java.io.InputStream;

import com.alibaba.excel.event.AnalysisEventListener;
import org.springframework.stereotype.Service;
import com.alibaba.excel.EasyExcel;
import yf.mall.vo.down.AppConfigDown;

import java.util.Collections;
import java.util.List;
import java.net.URLEncoder;
import javax.servlet.http.HttpServletResponse;
import java.util.stream.Collectors;

import yf.mall.dao.AppConfigDao;
import yf.mall.entity.AppConfigEntity;
import yf.mall.vo.AppConfigVo;
import yf.mall.service.app.AppConfigService;
import com.yf.service.impl.BaseServiceImpl;

/**
 * 账户记录Service实现类
 *
 *
 *
 * @date Sat Jul 29 20:56:14 CST 2023
 */
@Service
public class AppConfigServiceImpl extends BaseServiceImpl<AppConfigEntity> implements AppConfigService {

    private AppConfigDao dao;


    @Autowired
    public void setDao(AppConfigDao dao) {
        this.dao = dao;
        super.setBaseDao(dao);
    }


    @Override
    public List<AppConfigVo> findVo(AppConfigVo vo) {
        return dao.findVo(vo);
    }

    @Override
    public AppConfigVo getVo(Long id) {
        return dao.getVo(id);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public int saveVo(AppConfigVo vo) {
        return dao.save(vo.getEntity());
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public int updateVo(AppConfigVo vo) {
        return dao.update(vo.getEntity());
    }


    @Override
    public void downLoad(HttpServletResponse response, List<AppConfigVo> list) {
        try {
            List<AppConfigDown> datas = list.stream().map(item -> new AppConfigDown(item)).collect(Collectors.toList());
            response.setContentType("application/vnd.ms-excel");
            response.setCharacterEncoding("utf-8");
            // 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
            String fileName = URLEncoder.encode("测试", "UTF-8");
            response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
            EasyExcel.write(response.getOutputStream(), AppConfigDown.class).sheet("模板").doWrite(datas);
        } catch (Exception e) {
            e.printStackTrace();
        }

    }


    @Override
    public void upload(InputStream file) {
        EasyExcel.read(file, AppConfigUp.class, new UploadDataListener()).sheet().doRead();
    }


    class UploadDataListener extends AnalysisEventListener<AppConfigUp> {


        @Override
        @Transactional(rollbackFor = Exception.class)
        public void invoke(AppConfigUp upVo, AnalysisContext analysisContext) {
            saveVo(upVo.toVo());
        }

        @Override
        public void doAfterAllAnalysed(AnalysisContext analysisContext) {

        }

    }


    /**内部方法**/


    /**
     * 外部方法实现
     **/

    @Override
    public List<AppConfigEntity> findConfigByKey(List<String> keys) {
        if (CollectionUtils.isEmpty(keys)) {
            return Collections.emptyList();
        }
        return dao.findConfigByKey(keys);
    }

    @Override
    public AppConfigEntity findConfig(String key) {
        return dao.findConfig(key);
    }
}
